57147426 has 36 divisors (see below), whose sum is σ = 144037062. Its totient is φ = 16327584.

The previous prime is 57147413. The next prime is 57147437. The reversal of 57147426 is 62474175.

57147426 is a `hidden beast` number, since 571 + 47 + 42 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34821801 + 22325625 = 5901^2 + 4725^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31515 + ... + 33278.

Almost surely, 2^57147426 is an apocalyptic number.

57147426 is an abundant number, since it is smaller than the sum of its proper divisors (86889636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57147426 is a wasteful number, since it uses less digits than its factorization.

57147426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64815 (or 64805 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 57147426 is about 7559.5916556386. The cubic root of 57147426 is about 385.1816222959.

The spelling of 57147426 in words is "fifty-seven million, one hundred forty-seven thousand, four hundred twenty-six".